单项选择题

What can be preceded according to the passage

A．The evolution of the speech in the long run.
B．The time when early man mastered language
C．Description about the Ice-aged climate.
D．Other factors functioned in the evolution of human brains.

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单项选择题

What does the second it in It cheapens it (Line 7, Para.3) represent

A．Channel One
B．Advertising minutes
C．Shoes of Reebok
D．Educational process

单项选择题

What is the main topic of this article

A．Corporations attempt to cash in on the crisis in education.
B．Communications broadcasts into almost 12,000 junior high and high schools.
C．Education no longer becomes a learning process.
D．This article illustrates free markets and free minds are mutually exclusive.